49045231 has 2 divisors, whose sum is σ = 49045232. Its totient is φ = 49045230.

The previous prime is 49045219. The next prime is 49045247. The reversal of 49045231 is 13254094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49045231 - 2⁷ = 49045103 is a prime.

It is a super-2 number, since 2×49045231² = 4810869367686722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49045231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49045211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24522615 + 24522616.

It is an arithmetic number, because the mean of its divisors is an integer number (24522616).

Almost surely, 2^49045231 is an apocalyptic number.

49045231 is a deficient number, since it is larger than the sum of its proper divisors (1).

49045231 is an equidigital number, since it uses as much as digits as its factorization.

49045231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 49045231 is about 7003.2300404885. The cubic root of 49045231 is about 366.0431309717.

The spelling of 49045231 in words is "forty-nine million, forty-five thousand, two hundred thirty-one".